Journal Article 3 N762921K75 3 Nitrogen 3 nitrogen demand Research Support, Non-U.S. Gov't 2 nitrogen fixation 2 1406-65-1 1 mehr ... 142M471B3J 1 7440-44-0 1 Aboveground–belowground interactions 1 CO2 fertilization 1 Carbon 1 Carbon Dioxide 1 Chlorophyll 1 Comment 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Soil 1 acclimation 1 boreal forests 1 coordination hypothesis 1 cotton 1 cyanobacteria 1 feather moss 1 hormogonia 1 leaf chlorophyll 1 legume 1 nitrogen cycle 1 nitrogen uptake 1 photosynthetic capacity 1 remote sensing 1 weniger ...